Radar Stocks List
Symbol | Grade | Name | % Change | |
---|---|---|---|---|
GFF | A | Griffon Corporation | 2.66 | |
KVHI | B | KVH Industries, Inc. | 1.54 | |
HON | B | Honeywell International Inc. | -0.43 | |
PH | B | Parker-Hannifin Corporation | 2.15 | |
GRMN | B | Garmin Ltd. | 1.99 | |
RELL | B | Richardson Electronics, Ltd. | 0.53 | |
DCO | B | Ducommun Incorporated | 0.46 | |
KN | B | Knowles Corporation | 1.76 | |
ESP | B | Espey Mfg. & Electronics Corp. | -3.20 | |
MRCY | C | Mercury Systems Inc | 1.80 |
Related Industries: Aerospace & Defense Auto Parts Building Materials Communication Equipment Computer Systems Diversified Industrials Electronic Components Electronics Distribution Scientific & Technical Instruments Software - Infrastructure
Symbol | Grade | Name | Weight | |
---|---|---|---|---|
PPA | B | PowerShares Aerospace & Defense | 16.79 | |
SHLD | B | Global X Defense Tech ETF | 15.22 | |
ITA | B | iShares U.S. Aerospace & Defense ETF | 14.63 | |
GCAD | B | Gabelli Equity Income ETF | 14.48 | |
XAR | A | SPDR S&P Aerospace & Defense ETF | 12.15 |
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- Radar
Radar is a detection system that uses radio waves to determine the range, angle, or velocity of objects. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain. A radar system consists of a transmitter producing electromagnetic waves in the radio or microwaves domain, a transmitting antenna, a receiving antenna (often the same antenna is used for transmitting and receiving) and a receiver and processor to determine properties of the object(s). Radio waves (pulsed or continuous) from the transmitter reflect off the object and return to the receiver, giving information about the object's location and speed.
Radar was developed secretly for military use by several nations in the period before and during World War II. A key development was the cavity magnetron in the UK, which allowed the creation of relatively small systems with sub-meter resolution. The term RADAR was coined in 1940 by the United States Navy as an acronym for RAdio Detection And Ranging or RAdio Direction And Ranging. The term radar has since entered English and other languages as a common noun, losing all capitalization.
The modern uses of radar are highly diverse, including air and terrestrial traffic control, radar astronomy, air-defense systems, antimissile systems, marine radars to locate landmarks and other ships, aircraft anticollision systems, ocean surveillance systems, outer space surveillance and rendezvous systems, meteorological precipitation monitoring, altimetry and flight control systems, guided missile target locating systems, ground-penetrating radar for geological observations, and range-controlled radar for public health surveillance. High tech radar systems are associated with digital signal processing, machine learning and are capable of extracting useful information from very high noise levels.
Other systems similar to radar make use of other parts of the electromagnetic spectrum. One example is "lidar", which uses predominantly infrared light from lasers rather than radio waves. With the emergence of driverless vehicles, Radar is expected to assist the automated platform to monitor its environment, thus preventing unwanted incidents.
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